Bionic Body Resistance Band Door Anchor with Carabiner Clip Exercise Accessory Strap for Strength Training and Cardio Workout BBDA-010 HEAVY-DUTY NYLON WEBBING  Constructed from extremely sturdy nylon; this gear has a durable surface that wont cause abrasions; scratches; or marks. Its premium construction makes it a reliable gym accessory that will last workout after workout EASY AND QUICK ATTACHMENT  Featuring a convenient carabineer clip; this door anchor easily and securely attaches to any standard door frame. Quickly fasten the anchor to the top or the center of a hinged door; letting you exercise virtually anywhere COMPACT WORKOUT ACCESSORY  Take your training to the next level and exercise wherever you are with this functional addition to your resistance tubes or power bands. Its compact ergonomic design lets you stow it in your bag for training on the go UNIVERSAL DESIGN  This door anchor attachment is universally compatible with any resistance bands and tubes. You can utilize it for any resistance band/tube-based exercises; strength training; cardio; aerobics; physical therapy; or even bodybuilding PERSONALIZED WORKOUT  Designed for more efficient home workouts; this fitness workout gears high-functioning design ensures hassle-free attachment of resistance tubes to door frames; letting you quickly change exercises without losing momentum